io8 



FIELD ZOOLOGY. 



with the basal half of the front wings thickened, all four 

 wings lying on the back when not in use, with their tips 

 overlapping; the sucking beak arises from the front of the 

 head, and the body shows a more or less distinct neck. 

 The last division is the division of the true bugs, that is, 



FIG. 47. Mouth parts of an hemipteron, Benacus griseus. A, dorsal aspect 

 B, transverse section; C, extremity of mandible; D, transverse section of man- 

 dibles and maxillae; c, canal; /, labrum; li, labium; m, mandible; mx, maxillae. 

 (Folsom.) 



the bugs having the characteristics which distinguish the 

 order from all the other orders of insects. 



The insects of this order differ from both the beetles 

 and the orthopters in the manner of getting their food. 

 All of them suck the life fluids of either plants or animals. 



